package pers.zc.activiti.shejimoshi.guanchazhe.guanchazhe2;

/**
 * @description 观察者接口
 * @Author Lin FuYuan
 * @date 2020/1/6
 */
public interface Observer {
    /**
     *当主题状态改变时更新通知
     * @author Lin FuYuan
     * @param version
     * @date 2020/1/6
     * @return void
     */
    public void update(int version);
}
